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SUMMARY:Neutrino Non-Standard Interactions Sun versus Colliders
DTSTART;VALUE=DATE-TIME:20011128T143000Z
DTEND;VALUE=DATE-TIME:20011128T153000Z
DTSTAMP;VALUE=DATE-TIME:20261108T223018Z
UID:indico-event-1239@indico.ific.uv.es
DESCRIPTION:Neutrino non-standard interactions arising at a scale not far 
 from the electroweak one can be detected in solar neutrino experiments. We
  first provide an effective Lagrangian analysis of these interactions. Sec
 ond we discuss the existing associated phenomenological constraints. At pr
 esent\, such interactions are strongly constrained only for $\\nu_\\mu$: t
 he bounds are loose for $\\nu_e$ and absent for $\\nu_\\tau$. We emphasize
  the unique role played by the reaction $e^+e^-\\rightarrow \\nu \\bar{\\n
 u}\\gamma$ in providing direct constraints on such non-standard interactio
 ns. Third\, we perform an analysis of the Super Kamiokande and SNO data to
  investigate their sensitivity to such interactions. Finally\, we propose 
 to search for these interactions at the Borexino detector. Indeed\, the co
 nversion of solar $\\nu_e$ into $\\nu_\\mu$ strongly mixed with $\\nu_\\ta
 u$\, as the atmospheric neutrino data point to\, could reveal $\\nu_\\tau$
  novel interactions in the the measurement of the recoil electron energy s
 pectrum in $\\nu~e \\rightarrow \\nu~e$. The same analysis is also perform
 ed assuming non-standard interactions of $\\nu_e$.\n\nhttps://indico.ific.
 uv.es/event/1239/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1239/
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